Home / 14,894.32-20,554.18-8,180.38

Finding the Fourth Proportional to 14,894.32, 20,554.18 and 8,180.38

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Solution

The fourth proportional to 14,894.32, 20,554.18 and 8,180.38 is: 11,288.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,894.32 : 20,554.18 = 8,180.38 : x
  2. Step 2: Convert to fraction form
    14,894.32/20,554.18 = 8,180.38/x
  3. Step 3: Cross multiply
    14,894.32x = 20,554.18 × 8,180.38
  4. Step 4: Simplify right side
    14,894.32x = 168,141,002.99
  5. Step 5: Solve for x
    x = 168,141,002.99/14,894.32
  6. Step 6: Final answer
    x = 11,288.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.